{
   "title":"p256-ss-hkdf-512-03: ECDH-SS direct w/ hkdf-sha-512 for 512-bit key",
   "input":{
      "plaintext":"This is the content.",
      "mac":{
         "alg":"HS512",
         "protected":{
            "alg":"HS512"
         },
         "recipients":[
            {
               "key":{
                  "kty":"EC",
                  "kid":"meriadoc.brandybuck@buckland.example",
                  "crv":"P-256",
                  "x":"Ze2loSV3wrroKUN_4zhwGhCqo3Xhu1td4QjeQ5wIVR0",
                  "y":"HlLtdXARY_f55A3fnzQbPcm6hgr34Mp8p-nuzQCE0Zw",
                  "d":"r_kHyZ-a06rmxM3yESK84r1otSg-aQcVStkRhA-iCM8"
               },
               "protected":{
                  "alg":"ECDH-SS-512"
               },
               "unprotected":{
                  "kid":"meriadoc.brandybuck@buckland.example"
               },
               "sender_key":{
                  "kty":"EC",
                  "crv":"P-256",
                  "x":"7cvYCcdU22WCwW1tZXR8iuzJLWGcd46xfxO1XJs-SPU",
                  "y":"DzhJXgz9RI6TseNmwEfLoNVns8UmvONsPzQDop2dKoo",
                  "d":"Uqr4fay_qYQykwcNCB2efj_NFaQRRQ-6fHZm763jt5w"
               }
            }
         ]
      },
      "rng_stream":[
         "02D1F7E6F26C43D4868D87CEB2353161740AACF1F7163647984B522A848DF1C3C9CF4DF2FE6C632BF7886413F76E8852D8D30979D9C0217A424941B5CA02A3AA"
      ]
   },
   "intermediates":{
      "CEK_hex":"AFBAC0E6057434A19B9B497A3364A1E91490DD105186FBE0D7982495EFF41A60F7B3E609909A3FDDB8E5CAA5FEFC6381FB1FBCB27A06A10CFA4E87DFB0C3CFFC",
      "recipients":[
         {
            "Context_hex":"840783F6584002D1F7E6F26C43D4868D87CEB2353161740AACF1F7163647984B522A848DF1C3C9CF4DF2FE6C632BF7886413F76E8852D8D30979D9C0217A424941B5CA02A3AAF683F6F6F68219020044A101381B",
            "Secret_hex":"8CA18423C89DB8842D5FD119F90E98650243AD77848BBBBE146FCFE2E802751D"
         }
      ],
      "ToMac_hex":"84634D414343A101074054546869732069732074686520636F6E74656E742E"
   },
   "output":{
      "cbor_diag":"97([h'A10107', {}, h'546869732069732074686520636F6E74656E742E', h'CED9C9DBD280362DAEBB48CDD67239A25CD2DD96FE60C3001DBF353A7A36F1EA34C7ED84FC18757E12444A6AD5C3B3F7416651C6A3CDD2A9D9E9844C5F46CF84', [[h'A101381B', {-2: {-1: 1, -2: h'EDCBD809C754DB6582C16D6D65747C8AECC92D619C778EB17F13B55C9B3E48F5', -3: h'0F38495E0CFD448E93B1E366C047CBA0D567B3C526BCE36C3F3403A29D9D2A8A', 1: 2}, 4: h'6D65726961646F632E6272616E64796275636B406275636B6C616E642E6578616D706C65', -22: h'02D1F7E6F26C43D4868D87CEB2353161740AACF1F7163647984B522A848DF1C3C9CF4DF2FE6C632BF7886413F76E8852D8D30979D9C0217A424941B5CA02A3AA'}, h'']]])",
      "cbor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
   }
}